https://www.youtube.com/watch?v=0cO6CwMbMEw

made by:
Canaan M

In this animation, some of the walking sections had very good slow in slow out. the walking didn't take to long, and the author found the perfect amount of frames to make the walking natural, yet cartoony.

The point of this is to try and make the work time on the animation a bit quicker so that you make a smooth motion have a very nice look to it without being too choppy.
The thing is that you want the perfect amount of frames to be in between motions so that your animation doesn't look too fast or slow, and also adds a bit of bounce to the animation.A very useful technique for a
flash animation